AFC SaaS Standard User Guides Last updated Save as PDF Learn to process transactions by connecting with the AvaTax for Communications server using SaaS Standard.AvaTax for Communications SaaS Standard file format guidelinesAvaTax for Communications SaaS Standard user manualAvaTax for Communications SaaS Standard sample FTP upload and download scriptsMost popularAvaTax for Communications SaaS Standard user manualAvaTax for Communications SaaS Standard file format guidelinesAvaTax for Communications SaaS Standard sample FTP upload and download scriptsShortcuts News Flash Release Notes - All Products